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Iowa CDL Passenger & Safety Practice Test

Practice 25 CDL passenger transport questions — loading procedures, emergency exits, and general CDL safety for Iowa commercial drivers.

What this Iowa practice test covers

  • Passenger loading and unloading procedures at stops and terminals
  • Emergency exit inspection and passenger evacuation procedures
  • Railroad crossing rules for buses and passenger-carrying CMVs
  • General CDL safety including distracted driving and fatigue management

The actual Iowa Iowa DOT knowledge test has 35 questions, and you need at least 28 correct (80%) to pass. This practice test is based on the Iowa Driver's Manual. The test fee is $8. Tests are administered Computer-based at DOT office, at school (Skip the Trip), or at home with parental supervision. Online testing is available in Iowa.

Try sample Iowa questions

These questions come from our bank of 260+ CDL questions. The real Iowa CDL knowledge test draws from similar material in the official CDL manual.

3 free preview of 25
1

A CDL holder convicted of a DUI while driving a CMV for the first time will be disqualified for how long?

2

What is the maximum blood alcohol concentration (BAC) at which a CDL holder can legally operate a commercial motor vehicle?

3

What is the BAC (Blood Alcohol Concentration) limit for CDL holders operating a commercial vehicle in Iowa?

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Iowa CDL Passenger & Safety Test (2026) | DMV IQ